Corsair SF750: Overkill for Most ITX Builds

[@JTTR]

For anyone that has any variant of the sfx SF psus from Corsair, they recently announced a recall. If you have one check the advisor to see if you're affected: forum.corsair.com/v3/showthread.php?t=197081&Future%20PLC._221109&Affiliate&Online%20Tracking%20Link&Content&clickid=xsR28JUu-xyOUy5wUx0Mo34HUki3gxyRR1brU80&irgwc=1

[@ChrisKingFTW2000]

I wanna say I actually learned something from this video, which I really appreciate. Keep up the good work!

[@Purepichu]

Amazing quality, you definitely deserve more attention for the amount of work you put in, keep it up!

[@user-he8qc4mr4i]

True! SF600 can do the job today, but since the price gap between the SF600 and SF750 is small. I rather get the SF750 and have some extra room for future upgrades that may require more power. Who knows maybe the RTX 3800 + The new AMDs will go high enought.

[@geegee9765]

The ideal is actually to hit 50% when at full load, because that’s when your you hit the highest efficiency. around 300 watts would be ideal for SF600 while 375 watts is ideal for SF750

[@jrasero23]

Now with RTX 3000 launching and the increased wattage needed a SF750 isn't really a luxury or just nice to have but might bee needed in a lot of ITX builds. A high end MITX system of a 3900X, 32GB DDR4 dual channel, 2 M.2 PCIe SSD, 4 USB 3.0 devices, 2 case fans, 240mm AIO and a RTX 3080 comes to 597W max load, so that SF600 isn't going to cut it and you will need a 650W-700W PSU. If we switch to a RTX 3090 the projected load wattage is 627W so the recommended PSU should be 700W-750W

[@bertraminc9412]

The correct thing to do is over clock the highest consuming cpu and GPU combo and state the power requirement and then determine the min output under load of the power supply that will not dip below that power. Then we would know the info we need.

[@Scarletpimpanel73]

Personally the Power supply is a "for the life of the system" purchase in my view. Therefore you want it to have enough headroom to accomodate all other foreseeable upgrades to the system. It's a bit like a motherboard in that sense. So I'll spend a little more on the Power supply than needed for the initial system spec.

[@warnacokelat]

Bought the SF750 because it's only 20$ more than SF600 and I want my ITX build to be quiet as much as possible. However, nobody told me that the PSU will get pretty warm when the fan not spinning. And I don't think the PSU fan will ever spin inside my mid range system.

[@mafiaeae]

Man, those beats - "dvine - Unknown Reality"

[@md5451]

I just chose the SF600 because it had nicer looking layout of PCIe connectors. The SF750 seems geared towards 2xGPU or more exotic configurations

[@rayton9]

Good job with the video. Perhaps try to look direcly at the camera a little more or try to put the cue cards closer to the lens. I hope this helps and keep up the good work. Looking forward to the next video.

[@sol0119]

Really enjoy watching your high quality videos! Keep up the good work!!

[@tnorasinh]

Great information! What are your thoughts on using the 750w over the 600w on a typical 9900k \ RTX 2080 TI build in order to drop the amount of noise coming from the Unit? I like the idea of running at 70-80% utilization during my peaks, but that also brings about noise from the fan. Shouldn't being in 50-60% utilization range of the 750w lower the total RPM of the fan, and the subsequent noise? Just curious what your thoughts on this is, because I am trying to figure out which one to go with. Thanks again!

[@JTTR]

I think if you're not price conscious at all and lowest noise footprint is possible is your concern then what you're saying makes total sense. What I would think about is what the db difference would be and if it is worth the price delta between the two models. I can't be certain since I don't have both models but a quick search online shows that at 600w, the difference is maybe between 5 - 10db but this is from different sources with different environments.

[@RichardABW]

It seems like the SF600 Platinum might be quieter over its power range. Interested to know what you think in case I’m missing something... www.tomshardware.com/uk/reviews/corsair-sf750-psu,5979-5.html

[@keyserxx]

This is the best PSU review on the internet. Thanks for real world numbers and testing.

[@chrisrussellca]

I would've purchased a cheaper PSU but this was the only unit i could find for my ITX build due to COVID-19. I'm pleased with it. its in a NR200 with a 3900XT and RX 5700XT with 32GB DDR4 on a B550I

[@JTTR]

Nice! How are you liking the NR200? Thinking of doing a build video of my Ghost S1 and NZXT H1 with plans of picking up a NR200 shortly after.

[@alkymistendenmark]

But when capacitors degrade it could potentially pose a problem if you have it both overclocked and a powerhungry card. I think its not exactly overkill considering the trends in GPU power draw. Better have some headroom. If your test ran 550w a 650w 80% efficient CPU is still only 520w and some years later it might fail.

[@pyrophobia133]

these guys can now be used in those newer Dell Optiplex mini towers

[@yoda8212]

Your videos are underrated

[@MidnightPodcast]

Very nice video bro :D

[@anime-girlfriend]

I'm buying this for my micro atx case c:

[@cyka_delik9537]

I can't even find one of these power supplies right now. What's the dealio?

[@lmyers26]

Cyka_Delik Covid-19 has totally disrupted the supply chain for many components necessary to build these..

[@isaac.e]

What did you use for recording the wattage load?

[@longdogsofwar8621]

I just ordered this and its about 40 ish more bucks than the 600, I think with future proofing in mind even for an ITX overclock, thats a small price to pay for peace of mind. The better option would of been for them to skip both the 600 and 750 watt variants and make a 650 watt but its possible they are forcing ppl to make a decision of possibly being underpowered and save 40 bucks or pay the premium and have peace of mind which is a little shady but thats the business.

[@JTTR]

Yeah if you're thinking about future proofing, spending a bit more for piece mind totally makes sense. I'm not sure if you received your PSU yet but just wanted to give you a heads up that Corsair recently announced a recall for the sfx SF psus. Check it out: www.anandtech.com/show/15829/corsair-sf-series-psu-recall forum.corsair.com/v3/showthread.php?t=197081&Future%20PLC._221109&Affiliate&Online%20Tracking%20Link&Content&clickid=xsR28JUu-xyOUy5wUx0Mo34HUki3gxyRR1brU80&irgwc=1

[@longdogsofwar8621]

@@JTTR Ah yes thanks for the heads up, I had heard some rumors about this, I ordered directly from Corsairs website today when they had a small window of time where it appeared in stock so the hope would be this is a brand new supply off the assembly line but I will check the numbers when i get it to be safe, thanks again.

[@marzero116]

Does it come with enough cables for a 3x8 pin GPU?

[@TheRitualChannel]

Solid review. Good work. Thank you.

[@MatrixJockey]

Where did you get that intro sound track from?

[@mmmmmmmmmmmmmmmmmmmmmmmmmm3153]

I wanna know too

[@stevenspicer1257]

this will wrok on eGPU external graphics box to ???

[@quentinmacleod3245]

Passif up to 300W, nothing more to say... meaning (okay that's more to say) that my case is going to be silent in most situations (rtx 2060 stock + ryzen 3600 stock). Got mine for 149 € on amazon. After I bought it, the price goes up to 185 €. Amazon's algorithm I assume... Thanks for the video. :)

[@oneyedthing]

How's your temps? Do you use an m.2 nvme pcie4?

[@j.lietka9406]

Am i correct? The full modular UPSs are slightly bigger in size than a non-modular? How much did that PSU cost? Thank you

[@Wifelover_]

Hey man this was awesome. I subscribed!

[@xTAK3ITEASY]

Do you think 750watt will be enough for 3700x and 3080 combo?

[@thanefenrir]

Can this card run 3 power connector VGA cables for example the 3080 Asus Strix?

[@yuchuga8341]

What case are you using ?

[@mikr0bi]

I bought one for my 9900k and I'm totally free from stress.

[@JTTR]

Nice! What case and you are you running?

[@blaskotron]

My 2080ti 9900k build killed my 600 watt SFX Corsair. I think you need that buffer.

[@JTTR]

After making the video, I swapped out the 750w for another build and replaced it with Corsair's plat 600w sfx psu. With mild overclocks and mainly used for gaming, the system is been okay. Some questions come to mind for your build, was your psu the plat or gold sku and were you overclocking? Sorry to hear it gave out on you.

[@blaskotron]

@@JTTR SF600 gold, not overclocked. But it's nearly 4 years old and brought out of storage, so it wasn't used too heavily. It gamed for a few days and now won't make it through boot.

[@Patsesson]

Great video! Subbed!

[@unforsaken552]

is the 600w enought for ryzen 5 3600 and 3080 gpu?

[@healy7882]

I wouldn't go below 650w imo

[@xTAK3ITEASY]

DREAMWALKER thoughts on a 3700x and 3080 combo would 750 be enough ?

[@humilitysavestheworld118]

How is this for atx builds/power?? Anyone know!? Please and thank you!!

[@oneyedthing]

Personally I would use this if my build gets a little below 500w. I wouldnt treat it the same as the 750w atx counterpart. Though the 10 years warranty says its definitely a must try if you have the budget for it

[@J3tBl4ck87]

that is my psu with my ncase m1 :D. I have a 5900x with a 3080

[@jhereylle]

Quick question 600w is enough for that first set up? i9 and 2080ti?

[@jhereylle]

Like SFX Silverstone 600

[@JTTR]

​@@jhereylle Even with OC on the CPU and GPU I think the 600w should be good enough. I have a SF600 in that system now, with the SF750 in another build and it's been solid. Without OC, the 600w will handle that configuration no problem. For the PSU itself, you should take a look at other manufactures as well. I believe the SFX Silverstone 600w variants are 80 plus gold with some of the newer ones at 80 plus plat.

[@nawtieshehzada]

Hey man.. I have only sf 450 platinum available in my country... do you think it will be enough for an rtx 2070 super and ryzen 3700x mini itx system?

[@JTTR]

Hey, any plans to OC?

[@nawtieshehzada]

@@JTTR hey, Thanks a lot for replying.. Yeah oc maybe on the cpu side, but the 3700x is a 65w tdp cpu so.. and I will undervolt 2070 super because the casing is InWin A1 so obviously I can't go crazy with overclocking

[@nawtieshehzada]

@@JTTR Hey btw do you think Evga 450gm will perform the same as this one? Evga 450gm is 55$ cheaper than this one atm..

[@JTTR]

@@nawtieshehzada I don't have personal experience with the 450gm but it looks decent from reviews. With overclocking, you'll be running real close to the wall. If you want to min-max, you might need to pick up a kill-a-watt and see how much you're drawing.

[@HoldMeForever]

I'd rather have the higher wattage PSU just cause it'd be less noisy.

[@JTTR]

Same but I know some people like to stay within a strict budget so this is just to make them aware that it is okay to put relatively high load on these PSUs without an issue.

[@yoda8212]

Can you make an Overkill louqe ghost S1 build video?

[@JTTR]

Maybe a sleeper build with a 9900K and a RTX Quadro or Titan. Call it the Lowkey Louque 🤔

[@yoda8212]

@@JTTR that actually sounds really cool!

[@yeahthatsright33]

@@JTTR Which batch was you're ghost a part of?

[@JTTR]

​@@yeahthatsright33 IIRC, it was the last batch but before it could ship a buddy sent me a link of the Ghost on Amazon. I took a risk and ordered that too. Luckily it worked out and I got a case but I read many backers where not as fortunate.

[@yeahthatsright33]

@@JTTR Yeah I was in that original batch and it was a mess for a lot of people, nearly myself included but I think they're finally in the right direction now that they're shipping with amazon. I still don't trust them yet though to buy another (I sold mine) but I do want that case.

[@bertraminc9412]

Intel i9 9900KS?

[@mhaddadi]

Better power overkill than price overkill.

[@uhohwhy]

yes yes, nice lie, 3\4 of SFF on reddit are with SF750

[@TheBigBlueMarble]

I disagree with the conclusions you have drawn from your testing. For your initial test scenario I would argue that the 750w PSU is underpowered for optimal performance. An 800w power supply would actually be preferable. If you notice, the SFX750 reaches its maximum efficiency between 40% and 50% load (300-375 watts). This would be the target load to get the most efficient use of this power supply. An 800 w power supply, with a similar efficiency curve, would place its highest efficiency right around the 400 to 450 watt level. Perfect for your non-OC test.

[@JTTR]

At the time this video was made, there was not a 800w+ sfx psu available. Three years later we now have the FSP Dagger Pro 850W SFX psu. It's efficiency also peaks at around 50% but is rated gold. If I could do a follow-up video, in today's current hardware climate with new arch released for CPUs and GPUS coming left and right, I would probably recommend (from on paper specs and reviews) FSP for both it's higher power cap and it's pricing which has been coming in lower than Corsair's SF750 as of late. Thanks for watching and starting a discussion.

[@rsslz3191]

Ah gimme this

[@m.t-thoughts8919]

144€ are nothing for what you get. :3

[@yiepie9822]

In a good or bad way lol I can’t tell

[@m.t-thoughts8919]

@@yiepie9822 Good, actually. The price is reasonble for that quality. 😅

[@yiepie9822]

@@m.t-thoughts8919 oh lol i agree with you. I was just a bit dim and didnt realise that you were being positive (which is good) lol

[@y_zass]

This video didn't age well